Thermodynamic approach to tailor porosity in piezoelectric polymer fibers for application in nanogenerators - Abolhasani, Mohammad Mahdi; Naebe, Minoo; Shirvanimoghaddam, Kamyar; Fashandi, Hossein; Khayyam, Hamid; Joordens, Matthew; Pipertzis, Achilleas; Anwar, Saleem; Berger, Rüdiger; Floudas, George; Michels, Jasper; Asadi, Kamal (Nano Energy, 2019)